Base | Representation |
---|---|
bin | 101011110111… |
… | …1010010010101 |
3 | 1121021112100202 |
4 | 1113233102111 |
5 | 21342001323 |
6 | 2140550245 |
7 | 366333005 |
oct | 127572225 |
9 | 47245322 |
10 | 23000213 |
11 | 11a8a445 |
12 | 7852385 |
13 | 49c3bc2 |
14 | 30aa005 |
15 | 2044d28 |
hex | 15ef495 |
23000213 has 8 divisors (see below), whose sum is σ = 23421216. Its totient is φ = 22582800.
The previous prime is 23000189. The next prime is 23000261. The reversal of 23000213 is 31200032.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23000213 - 28 = 22999957 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 23000194 and 23000203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23000293) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14258 + ... + 15788.
It is an arithmetic number, because the mean of its divisors is an integer number (2927652).
Almost surely, 223000213 is an apocalyptic number.
It is an amenable number.
23000213 is a deficient number, since it is larger than the sum of its proper divisors (421003).
23000213 is a wasteful number, since it uses less digits than its factorization.
23000213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1795.
The product of its (nonzero) digits is 36, while the sum is 11.
The square root of 23000213 is about 4795.8537300464. The cubic root of 23000213 is about 284.3875758718.
Adding to 23000213 its reverse (31200032), we get a palindrome (54200245).
The spelling of 23000213 in words is "twenty-three million, two hundred thirteen", and thus it is an aban number.
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